Question

______ is the energy of random motion of constituent molecules constituting the body. It flows from a hot body to a cold body.

• A. Velocity
• B. Heat
• C. Temperature
• D. Kinetic energy

Answer 1

The correct option is B

Heat

Heat is the energy of random motion of constituent molecules constituting the body. It flows from a hot body to a cold body. If we touch warm water, we feel hot because heat energy from warm water passes to our hand. Similarly, if we touch a cube of ice, we feel cool because heat energy from our hand passes to the cube of ice.